1. Who invented Morphine ?

Answer: Friderich Sertumer of Germany in 1805

2. Who invented Steam Engine (Piston)

Answer: Thomas Newcomen of Britain in 1712

3. Who invented Bleaching Powder ?

Answer: Tennant of Britain in 1798

4. Who invented Circulation of blood ?

Answer: William Harvey of Britain in 1628

5. Who invented HIV ?

Answer:

6. Who invented Air Conditioning ?

Answer:

Willis Carrier in 1902

7. Who invented Bacteria ?

Answer: Leeuwenhock of Netherlands in 1683